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Finding the Fourth Proportional to 98,547.50, 135,995.56 and 53,225.48

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Solution

The fourth proportional to 98,547.50, 135,995.56 and 53,225.48 is: 73,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,547.50 : 135,995.56 = 53,225.48 : x
  2. Step 2: Convert to fraction form
    98,547.50/135,995.56 = 53,225.48/x
  3. Step 3: Cross multiply
    98,547.50x = 135,995.56 × 53,225.48
  4. Step 4: Simplify right side
    98,547.50x = 7,238,428,958.87
  5. Step 5: Solve for x
    x = 7,238,428,958.87/98,547.50
  6. Step 6: Final answer
    x = 73,451.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.